Innospec (IOSP) Short Interest Ratio & Short Volume $82.61 +1.44 (+1.77%) Closing price 08/12/2025 04:00 PM EasternExtended Trading$82.80 +0.19 (+0.22%) As of 08/12/2025 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Innospec Short Interest DataInnospec (IOSP) has a short interest of 260,900 shares, representing 1.06% of the float (the number of shares available for trading by the public). This marks a -29.92% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.3, indicating that it would take 1.3 days of the average trading volume of 205,465 shares to cover all short positions.Current Short Interest260,900 sharesPrevious Short Interest372,300 sharesChange Vs. Previous Month-29.92%Dollar Volume Sold Short$22.20 millionShort Interest Ratio1.3 Days to CoverLast Record DateJuly 15, 2025Outstanding Shares24,830,000 sharesFloat Size24,610,000 sharesShort Percent of Float1.06%Today's Trading Volume157,354 sharesAverage Trading Volume205,465 sharesToday's Volume Vs. Average77% Short Selling Innospec? Sign up to receive the latest short interest report for Innospec and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartIOSP Short Interest Over TimeIOSP Days to Cover Over TimeIOSP Percentage of Float Shorted Over Time Innospec Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/15/2025260,900 shares $22.20 million -29.9%1.1%1.3 $85.08 6/30/2025372,300 shares $31.31 million +103.2%1.5%1.8 $84.09 6/15/2025183,200 shares $15.53 million -27.9%0.7%0.9 $84.77 5/31/2025253,900 shares $21.67 million +5.6%1.0%1.1 $85.33 5/15/2025240,500 shares $21.23 million -18.0%1.0%1 $88.27 4/30/2025293,100 shares $26.23 million -11.6%1.2%1.3 $89.48 4/15/2025331,500 shares $28.92 million -13.5%1.3%1.5 $87.23 3/31/2025383,000 shares $36.29 million -16.5%1.6%1.8 $94.75 3/15/2025458,800 shares $45.00 million +52.8%1.9%2.2 $98.09 2/28/2025300,200 shares $31.04 million +14.5%1.2%2 $103.41 Get the Latest News and Ratings for IOSP and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Innospec and its competitors with MarketBeat's FREE daily newsletter. 2/15/2025262,100 shares $28.36 million -9.3%1.1%1.9 $108.19 1/31/2025289,000 shares $32.76 million -10.8%1.2%2.2 $113.35 1/15/2025324,000 shares $36.63 million -15.6%1.3%2.7 $113.06 12/31/2024384,000 shares $42.26 million +28.1%1.6%3.3 $110.06 12/15/2024299,800 shares $34.73 million +7.5%1.2%2.6 $115.86 11/30/2024278,900 shares $33.08 million +28.2%1.1%2.7 $118.61 11/15/2024217,500 shares $25.89 million -3.9%0.9%1.9 $119.03 10/31/2024226,400 shares $24.40 million -12.3%0.9%1.9 $107.78 10/15/2024258,100 shares $29.49 million +3.1%1.1%2.1 $114.27 9/30/2024250,400 shares $28.32 million -14.7%1.0%1.9 $113.09 9/15/2024293,400 shares $31.97 million -20.3%1.2%2.2 $108.96 8/31/2024368,200 shares $42.44 million +43.0%1.5%2.7 $115.26 8/15/2024257,500 shares $28.14 million +16.0%1.1%2 $109.28 7/31/2024221,900 shares $29.10 million +5.9%0.9%1.7 $131.14 7/15/2024209,600 shares $26.31 million +8.2%0.9%1.8 $125.51 6/30/2024193,800 shares $23.95 million +14.5%0.8%1.8 $123.59 6/15/2024169,300 shares $20.81 million -16.2%0.7%1.6 $122.91 5/31/2024202,000 shares $26.42 million +16.8%0.8%2 $130.80 5/15/2024173,000 shares $22.76 million -9.2%0.7%1.9 $131.58 4/30/2024190,500 shares $22.86 million -14.2%0.8%2.2 $120.00 4/15/2024221,900 shares $27.03 million +1.4%0.9%2.6 $121.79 3/31/2024218,800 shares $28.21 million -20.1%0.9%2.4 $128.94 3/15/2024273,800 shares $33.42 million +21.1%1.1%3 $122.07 2/29/2024226,100 shares $28.10 million -2.8%0.9%2.4 $124.27 2/15/2024232,500 shares $29.22 million -1.2%1.0%2.5 $125.66 1/31/2024235,200 shares $27.31 million +34.6%1.0%2.6 $116.11 1/15/2024174,700 shares $20.48 million -17.4%0.7%2 $117.23 12/31/2023211,600 shares $26.08 million -10.3%0.9%2.5 $123.24 12/15/2023236,000 shares $28.29 million +58.1%1.0%3 $119.87 11/30/2023149,300 shares $15.69 million +7.1%0.6%2 $105.07This stock could leave NVDA in the dust (Ad)Investing Legend Hints the End May be Near for These 3 Iconic Stocks Futurist Eric Fry say Amazon, Tesla and Nvidia are all on the verge of major disruption. To help protect anyone with money invested in them, he's sharing three exciting stocks to replace them with. He gives away the names and tickers completely free in his brand-new "Sell This, Buy That" broadcast.Click to get the full details on Eric Fry's "Nvidia alternative" right here. 11/15/2023139,400 shares $15.23 million -7.4%0.6%1.8 $109.26 10/31/2023150,600 shares $14.76 million +20.5%0.6%2 $98.00 10/15/2023125,000 shares $12.34 million -3.0%0.5%1.6 $98.74 9/30/2023128,800 shares $13.16 million -22.1%0.5%1.6 $102.20 9/15/2023165,400 shares $17.67 million +14.1%0.7%2.1 $106.84 8/31/2023145,000 shares $15.58 million +2.2%0.6%1.9 $107.42 8/15/2023141,900 shares $14.90 million -5.3%0.6%1.8 $105.03 7/31/2023149,900 shares $16.06 million -7.1%0.6%2 $107.14 7/15/2023161,300 shares $16.33 million +21.0%0.7%2.1 $101.22 6/30/2023133,300 shares $13.39 million -24.5%0.5%1.7 $100.44 6/15/2023176,500 shares $17.81 million -3.8%0.7%2 $100.89 5/31/2023183,500 shares $16.95 million -8.3%0.8%2 $92.36 5/15/2023200,000 shares $19.49 million No Change0.8%2 $97.45 10/31/2022316,100 shares $31.61 million -20.6%1.3%3.7 $99.99 10/15/2022398,200 shares $35.59 million +10.7%1.6%4.8 $89.37 9/30/2022359,700 shares $30.82 million +6.8%1.5%4.3 $85.67 9/15/2022336,800 shares $29.20 million +1.4%1.4%3.8 $86.70 8/31/2022332,200 shares $31.05 million No Change1.4%3.7 $93.46 8/15/2022332,200 shares $32.98 million -6.5%1.4%3.6 $99.27 7/31/2022355,100 shares $36.22 million +1.2%1.5%3.4 $102.00 7/15/2022350,800 shares $32.70 million +10.1%1.4%3.2 $93.22 6/30/2022318,700 shares $30.53 million -4.7%1.3%3 $95.79 6/15/2022334,300 shares $31.55 million -3.9%1.4%3.1 $94.39 5/31/2022347,800 shares $35.49 million +12.5%1.4%3.7 $102.03 5/15/2022309,300 shares $31.39 million +13.2%1.3%3.2 $101.49 4/30/2022273,300 shares $26.05 million +10.9%1.1%3.2 $95.31 4/15/2022246,400 shares $23.12 million -12.1%1.0%3 $93.83 3/31/2022280,400 shares $25.95 million -16.8%N/A0 $92.55 3/15/2022337,200 shares $30.77 million +7.3%1.4%3.8 $91.24 2/28/2022314,300 shares $30.02 million +8.1%1.3%2.8 $95.50 2/15/2022290,800 shares $27.31 million +25.6%1.2%2.6 $93.93 1/31/2022231,500 shares $21.52 million -0.1%1.0%1.9 $92.96 1/15/2022231,700 shares $22.84 million +8.4%N/A0 $98.56 12/31/2021213,700 shares $19.31 million -27.4%0.9%1.7 $90.34 12/15/2021294,500 shares $26.89 million +28.2%1.2%2.3 $91.30 11/30/2021229,800 shares $18.66 million +25.9%0.9%2.1 $81.20 11/15/2021182,600 shares $16.80 million -52.8%0.8%1.7 $92.02 10/29/2021387,000 shares $35.07 million +5.1%1.6%4 $90.61 10/15/2021368,200 shares $31.55 million +0.8%1.5%3.6 $85.70 9/30/2021365,200 shares $30.76 million +2.1%1.5%3.6 $84.22 9/15/2021357,600 shares $31.04 million -7.6%1.5%3.2 $86.80 8/31/2021387,200 shares $36.24 million +2.4%1.6%3.7 $93.60 8/13/2021378,200 shares $35.58 million +36.1%1.6%3.5 $94.08 7/30/2021277,800 shares $24.57 million -6.5%1.1%2.5 $88.45 7/15/2021297,100 shares $26.82 million +45.4%1.2%2.9 $90.27 6/30/2021204,300 shares $18.51 million -33.2%0.8%1.9 $90.61 6/15/2021305,800 shares $29.67 million -6.1%1.3%3.3 $97.03 5/28/2021325,700 shares $32.93 million +23.1%1.3%3.5 $101.11 5/14/2021264,500 shares $26.87 million +14.1%1.1%2.8 $101.60 4/30/2021231,900 shares $22.98 million -16.3%1.0%2.5 $99.10This stock could leave NVDA in the dust (Ad)Investing Legend Hints the End May be Near for These 3 Iconic Stocks Futurist Eric Fry say Amazon, Tesla and Nvidia are all on the verge of major disruption. To help protect anyone with money invested in them, he's sharing three exciting stocks to replace them with. He gives away the names and tickers completely free in his brand-new "Sell This, Buy That" broadcast.Click to get the full details on Eric Fry's "Nvidia alternative" right here. 4/15/2021277,000 shares $28.76 million -1.5%N/A0 $103.83 3/31/2021281,100 shares $28.79 million +0.9%N/A3 $102.41 3/15/2021278,700 shares $29.38 million -9.8%N/A2.7 $105.42 2/26/2021309,000 shares $31.50 million +3.7%1.3%2.9 $101.95 2/12/2021298,000 shares $29.79 million -7.2%1.2%2.7 $99.95 1/29/2021321,100 shares $29.38 million -11.0%1.3%2.7 $91.49 1/15/2021360,600 shares $36.00 million -20.9%1.5%3 $99.82 12/31/2020455,800 shares $41.15 million +35.6%1.9%3.8 $90.27 12/15/2020336,200 shares $28.62 million -4.8%1.4%2.7 $85.13 11/30/2020353,100 shares $30.17 million +31.2%1.5%2.8 $85.43 11/15/2020269,200 shares $21.48 million -17.8%1.1%2.3 $79.81 10/30/2020327,300 shares $21.36 million 0.0%1.4%2.9 $65.25 10/15/2020327,400 shares $22.16 million +24.9%1.4%3 $67.70 9/30/2020262,100 shares $16.60 million -4.5%1.1%2.5 $63.32 9/15/2020274,300 shares $18.54 million -9.4%1.1%2.6 $67.58 8/31/2020302,900 shares $22.62 million -24.4%1.3%3.1 $74.69 8/14/2020400,500 shares $31.47 million +2.5%1.7%3.8 $78.58 IOSP Short Interest - Frequently Asked Questions What is Innospec's current short interest? Short interest is the volume of Innospec shares that have been sold short but have not yet been covered or closed out. As of July 15th, investors have sold 260,900 shares of IOSP short. 1.06% of Innospec's shares are currently sold short. Learn More on Innospec's current short interest. What is a good short interest ratio for Innospec? The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. IOSP shares currently have a short interest ratio of 1.0. Learn More on Innospec's short interest ratio. What is a good short interest percentage for Innospec? Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 1.06% of Innospec's floating shares are currently sold short. Is Innospec's short interest increasing or decreasing? Innospec saw a decrease in short interest in July. As of July 15th, there was short interest totaling 260,900 shares, a decrease of 29.9% from the previous total of 372,300 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment. What is Innospec's float size? Innospec currently has issued a total of 24,830,000 shares. Some of Innospec's outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Innospec currently has a public float of 24,610,000 shares. How does Innospec's short interest compare to its competitors? 1.06% of Innospec's shares are currently sold short. Here is how the short interest of companies compare to Innospec: First Financial Bancorp. (1.30%), United Bankshares, Inc. (2.79%), Avient Corporation (1.88%), Cabot Corporation (4.35%), F.N.B. Corporation (3.79%), H. B. Fuller Company (2.28%), Kennametal Inc. (4.58%), Minerals Technologies Inc. (2.22%), Enpro Inc. (2.09%), Stepan Company (1.93%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks. What does it mean to sell short Innospec stock? Short selling IOSP is an investing strategy that aims to generate trading profit from Innospec as its price is falling. IOSP shares are trading up $1.44 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit. How does a short squeeze work against Innospec? A short squeeze for Innospec occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of IOSP, which in turn drives the price of the stock up even further. How often is Innospec's short interest reported? Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including IOSP, twice per month. The most recent reporting period available is July, 15 2025. More Short Interest Resources from MarketBeat Related Companies FFBC Short Interest Data UBSI Short Interest Data AVNT Short Interest Data CBT Short Interest Data FNB Short Interest Data FUL Short Interest Data KMT Short Interest Data MTX Short Interest Data NPO Short Interest Data SCL Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:IOSP) was last updated on 8/13/2025 by MarketBeat.com Staff From Our PartnersYour blueprint for crypto wealthMark August 12th on your calendar. 27 of crypto's most successful minds are about to reveal everything…Crypto 101 Media | SponsoredTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | SponsoredThe Robotics Revolution has arrived … and one $7 stock could take off as a result.Something big is brewing in Washington. 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